Method and arrangement for handling network specific subscriber data during roaming by use of SIM card information storage
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United States of America Patent
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-
Jun 1, 2004
Grant Date -
Jun 19, 2003
app pub date -
Jun 25, 1999
filing date -
Jan 7, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and arrangement for implementing the acquisition of data relating to network-specific supplementary services and a method for updating subscriber data relating to network-specific supplementary services in a telecommunications system. The subscriber data relating to the network-specific supplementary services is permanently stored in a subscriber identity module (12) of a user terminal. The user terminal (11) is arranged, at least when registering in a visited network (30), to automatically transmit the subscriber data relating to the supplementary services of the visited network (30) for temporary storage to the subscriber database (34) of the visited network (30).
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